Polar OH1 + Heart Rate Sensor, Black Condition:D - Major Wear With its IP64 water and

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Polar OH1 + Heart Rate Sensor, Black Condition:D - Major Wear With its IP64 water andThe Polar OH1 is an innovative optical heart rate sensor designed for versatile arm placement, offering a comfortable and accurate alternative to traditional chest straps or wrist based measurements. It captures and stores extensive training data, providing real time feedback and comprehensive analysis through Polar's ecosystem. Polar introduces a new alternative to wrist heart rate measurement and chest straps with the Polar OH1. This completely new